Contour gauge



FIG. 1 is a perspective view of a contour gauge showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a perspective view of the contour gauge where the contour gauge is in a configuration of use; and,

FIG. 10 is an enlarged view of portion 10 shown in FIG. 1.

The broken lines in the drawings depict portions of the contour gauge that form no part of the claimed design. 

CLAIM The ornamental design for a contour gauge, as shown and described. 